<?php

error_reporting(0);
header("Content-type: text/html; charset=utf-8");
//配置数据库

$dbserver   = "10.0.0.10";
$dbusername = "xxx";             //数据库用户名
$dbpassword = "xxx";             //密码
$database   = isset($_GET['db']) ? $_GET['db'] : 'xxx';     //数据库名
$title = '系统数据字典';
//下面是连接数据库
$mysql_conn = mysql_connect("$dbserver", "$dbusername", "$dbpassword") or die("Mysql connect is error.");
mysql_select_db($database, $mysql_conn);
mysql_query('SET NAMES utf8', $mysql_conn);
$table_result = mysql_query('show tables', $mysql_conn);
//取得所有的表名
while ($row = mysql_fetch_array($table_result)) {
    $tables[]['TABLE_NAME'] = $row[0];
}
//循环取得所有表的备注
foreach ($tables AS $k=>$v) {
  if (strpos($v['TABLE_NAME'], 'view_') !== false) {
    continue;
  }
  $sql  = 'SELECT * FROM ';
  $sql .= 'INFORMATION_SCHEMA.TABLES ';
  $sql .= 'WHERE ';
  $sql .= "table_name = '{$v['TABLE_NAME']}'  AND table_schema = '{$database}'";
  $table_result = mysql_query($sql, $mysql_conn);
  while ($t = mysql_fetch_array($table_result) ) {
      $tables[$k]['TABLE_COMMENT'] = $t['TABLE_COMMENT'];
  }
  $sql  = 'SELECT * FROM ';
  $sql .= 'INFORMATION_SCHEMA.COLUMNS ';
  $sql .= 'WHERE ';
  $sql .= "table_name = '{$v['TABLE_NAME']}' AND table_schema = '{$database}'";
  $fields = array();
   $field_result = mysql_query($sql, $mysql_conn);
   while ($t = mysql_fetch_array($field_result) ) {
       $fields[] = $t;
   }
   $tables[$k]['COLUMN'] = $fields; }
 mysql_close($mysql_conn);


 $html = '';
 //循环所有表拼接字符串
 foreach ($tables AS $k=>$v) {
  if (strpos($v['TABLE_NAME'], 'view_') !== false) {
    continue;
  }
     $html .= '<p><h2 style="text-align:center;">'. $v['TABLE_COMMENT'] . ' </h2>';
     $html .= '<table  border="1" cellspacing="0" cellpadding="0" align="center">';
     $html .= '<caption>' . $v['TABLE_NAME'] . '</caption>';
     $html .= '<tbody><tr><th>字段名</th><th>数据类型</th><th>默认值</th>
     <th>允许非空</th>
     <th>自动递增</th><th>备注</th></tr>';
     $html .= '';

     foreach ($v['COLUMN'] AS $f) {
         $html .= '<tr><td class="c1">' . $f['COLUMN_NAME'] . '</td>';
         $html .= '<td class="c2">' . $f['COLUMN_TYPE'] . '</td>';
         $html .= '<td class="c3"> ' . $f['COLUMN_DEFAULT'] . '</td>';
         $html .= '<td class="c4"> ' . $f['IS_NULLABLE'] . '</td>';
         $html .= '<td class="c5">' . ($f['EXTRA']=='auto_increment'?'是':' ') . '</td>';
         $html .= '<td class="c6"> ' . $f['COLUMN_COMMENT'] . '</td>';
         $html .= '</tr>';
     }
     $html .= '</tbody></table></p>';
 }


 //打印在页面中
 echo '<html>
 <head>
 <title>' . $title . '</title>
 <style>
 body,td,th {font-family:"宋体"; font-size:12px;}
 table{border-collapse:collapse;border:1px solid #CCC;background:#efefef;}
 table caption{text-align:left; background-color:#fff; line-height:2em; font-size:14px; font-weight:bold; }
 table th{text-align:left; font-weight:bold;height:26px; line-height:26px; font-size:12px; border:1px solid #CCC;}
 table td{height:20px; font-size:12px; border:1px solid #CCC;background-color:#fff;}
 .c1{ width: 120px;}
 .c2{ width: 120px;}
 .c3{ width: 70px;}
 .c4{ width: 80px;}
 .c5{ width: 80px;}
 .c6{ width: 270px;}
 </style>
 </head>
 <body>';
 echo '<h1 style="text-align:center;">' . $title . '</h1>';
 echo $html;
 echo '</body></html>';
?>
